Thanks for the insight.
I still have a couple of questions:
Does the "spring fix" help correct that derailment problem at slow speeds?
Where can I see the steps needed to make that "spring fix"?
I would set the same. You still may have where one is faster than the other. ( not all motors run the same. ) but they should be okay but there is always a chance. The best way to check is put them on the same track about a foot or so apart and see if one is faster.
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If two dual-motored locomotives are lashed together, should they both be set to either parallel or series.......or does it not make a difference?
I'm sorry if the answers may seem obvious to some, but I've never really known much about electronics.
The difference between parallel and series is that in series the engines are wired where the power goes thru the one motor first then to the second motor, which useually will give you slower starting speed and top end speed than parallel. Which a lot like better, as it is more realistic
I've got a K-Line Pacific I bought at a flea market that had a dead whistle unit. I didn't bother trying to fix it, I yanked the thing and installed a Williams whistle and bell unit. The engine's smoke unit was dead as well, but I haven't tried to do anything with that one, it's an oddball unit, more HO in size so an O gauge size doesn't fit.
I don't know how much room you've got under the hood of that MP-15, but the Williams units are pretty good, easy install and I haven't had any issues with them.
I have a couple of MP-15s I've been running under the Christmas tree this year. The one that is running on 042 white Super "K" track hasn't had any problem negotiating the turns. However its horn isn't working. Does anyone know where I can find the steps to diagnose and fix the problem?
I also noticed a switch that was set to "Series On", but it could be changed to "Parallel Off". I never noticed it before. What does that do?
The other one is derailing occasionally on the O27 curves. What's unusual (to me) is that it tends to happen more often when the train is going slowly. Does that "spring fix" help correct that type of problem? I searched for the "spring fix" here, but I couldn't find it.
I have to admit, both engines appear to have a lot of power. One of them is pulling 14 cars (4 of which are lighted), and I still wouldn't dare give it full power.
brianel, Agent 027
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Celebrating 18 years on the CTT Forum.
Buckeye Riveter......... OTTS Charter Member, a Roseyville Raider and a member of the CTT Forum since 2004..
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